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Technical - Restoration - Distinctions - Frame Group

 
     
 

Technical and Distinctions Index

 
     
 

F14 - Left Side Exhaust Muffler

 
     
 
 

Item

VIN Breakpoint

Part #

Comments

1 Joint, right exhaust pipe (Cyl. #1, outer left)

1 - 1256?

Not Known

Upper fins not "dressed" (see below)

1 Joint, right exhaust pipe (Cyl. #2, inner left)

1 - 1256?

Not Known

Upper fins "dressed back" to clear upper cylinder head fin

1 Joint, right exhaust pipe

? - 7414

18231-300-010

Both right side joints now identical, no upper fin "dressing"

2 Flange, exhaust

1 - 5 ?

18236-300-010

Shaped "pre-production" style flange

2 Flange, exhaust

? - 1256 ?

18236-300-???

Production shape flange, 5mm thick

2 Flange, exhaust

? - 7414

18236-300-020

Flange thickness increased to 6mm

5 Muffler, complete #1

1 - 1221

18300-300-030

Bolt mount width 55mm, Lotus Root type baffle. Superseded by
18300-300-345 which is actually p/no.
18300-300-040 supplied complete with longer mounting bolt p/no.
90146-300-020.

5 Muffler, complete #1

1222 - 4148

18300-300-040?

Bolt mount width 58mm, Lotus Root type baffle

5 Muffler, complete #1

4149 - 7414

18300-300-040

More internal baffling, non Lotus Root type baffle now used.

5 Muffler, complete #1

3840 - 7414

18300-300-620

France, Germany, Netherlands, ED type. Baffle has no vertical bar accross outlet

6 Diffuser, exhaust

1 - 4148

18311-300-310

"Lotus Root" type, with fiber packing inside baffle

6 Diffuser, exhaust

4149 - 7414

18311-300-320

Non "Lotus Root" type, with fiber packing outside baffle

6 Diffuser, exhaust

3840 - 7414

18311-300-620

France, Germany, Netherlands, ED type. No vertical bar accross outlet

7 Protector, muffler

1 - 7414

18315-300-010

Satin
finish

8 Muffler, complete #2

1 - 4148

18350-300-030

Lotus Root
type baffle

8 Muffler, complete #2

4149 - 7414

18350-300-040

More internal baffling, non Lotus Root type baffle now used

8 Muffler, complete #2

3840 - 7414

18450-300-620

France, Germany, Netherlands, ED type. Baffle has no vertical bar across outlet

18

Bolt, pillion step

1 - 1221

90146-300-010

Bolt length
146mm

18

Bolt, pillion step

1222 -  7414

90146-300-020

Bolt length
148mm

         
         
 
   

 

 

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